Flood Warning Washington | Effective 03/21/2026 15:47

Headline: 
Flood Warning issued March 21 at 3:47PM PDT until March 22 at 2:00AM PDT by NWS Seattle WA
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
March 21, 2026 - 3:47pm
Expires: 
March 22, 2026 - 12:00am
Description: 
...The Flood Warning is extended for the following rivers in Washington... Cedar River At Renton affecting King County. * WHAT...Minor flooding is forecast. * WHERE...Cedar River at Renton. * WHEN...Until just after midnight tonight. * IMPACTS...At 13.0 feet, the Cedar River will cause minor flooding along the river in Renton. * ADDITIONAL DETAILS... - At 3:15 PM PDT Saturday the stage was 12.8 feet. - Flood stage is 13.0 feet. - Forecast...The river is expected to rise above flood stage late this afternoon to a crest of 13.0 feet late this afternoon. It will then hover just around 13 feet until more gradually receding after midnight tonight out of flood stage. - Flood History...This crest compares to a previous crest of 12.8 feet on 01/02/1997. - http://www.weather.gov/safety/flood
Instruction: 
Be especially cautious at night when it is harder to recognize the dangers of flooding. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov. The next statement will be issued by late tonight at midnight PDT.
Area Description: 
King, WA
Forcast Office: 
NWS Seattle WA